Triple

T11576117
Position Surface form Disambiguated ID Type / Status
Subject Owen Brown E274507 entity
Predicate participantIn P149 FINISHED
Object Underground Railroad activities
Underground Railroad activities were clandestine efforts by abolitionists and allies to help enslaved people escape bondage and reach freedom in the northern United States and Canada before the Civil War.
E321996 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Underground Railroad activities | Statement: [Owen Brown, participantIn, Underground Railroad activities]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Underground Railroad activities
Context triple: [Owen Brown, participantIn, Underground Railroad activities]
  • A. Underground Railroad routes
    Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.
  • B. The Grand Central Depot of the Underground Railroad
    The Grand Central Depot of the Underground Railroad is a historic nickname for Plymouth Church in Brooklyn, renowned for its central role in sheltering and aiding enslaved people seeking freedom before the Civil War.
  • C. The Underground Railroad
    The Underground Railroad was a hip-hop production collective known for crafting gritty, sample-heavy beats for early 1990s West Coast rap artists.
  • D. The Underground Railroad
    The Underground Railroad is a historical drama television series, based on Colson Whitehead’s Pulitzer Prize–winning novel, that reimagines the network that helped enslaved people escape as a literal subterranean train system.
  • E. A Ride for Liberty – The Fugitive Slaves
    A Ride for Liberty – The Fugitive Slaves is a mid-19th-century painting by American artist Eastman Johnson that dramatically depicts an enslaved family fleeing to Union lines during the Civil War.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Underground Railroad activities
Triple: [Owen Brown, participantIn, Underground Railroad activities]
Generated description
Underground Railroad activities were clandestine efforts by abolitionists and allies to help enslaved people escape bondage and reach freedom in the northern United States and Canada before the Civil War.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Underground Railroad activities
Target entity description: Underground Railroad activities were clandestine efforts by abolitionists and allies to help enslaved people escape bondage and reach freedom in the northern United States and Canada before the Civil War.
  • A. Underground Railroad routes chosen
    Underground Railroad routes were clandestine paths and safe houses used by enslaved African Americans in the 19th-century United States to escape to free states and Canada with the help of abolitionists.
  • B. The Grand Central Depot of the Underground Railroad
    The Grand Central Depot of the Underground Railroad is a historic nickname for Plymouth Church in Brooklyn, renowned for its central role in sheltering and aiding enslaved people seeking freedom before the Civil War.
  • C. The Underground Railroad
    The Underground Railroad was a hip-hop production collective known for crafting gritty, sample-heavy beats for early 1990s West Coast rap artists.
  • D. The Underground Railroad
    The Underground Railroad is a historical drama television series, based on Colson Whitehead’s Pulitzer Prize–winning novel, that reimagines the network that helped enslaved people escape as a literal subterranean train system.
  • E. A Ride for Liberty – The Fugitive Slaves
    A Ride for Liberty – The Fugitive Slaves is a mid-19th-century painting by American artist Eastman Johnson that dramatically depicts an enslaved family fleeing to Union lines during the Civil War.
  • F. None of above.

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aae5ac3c81908d2b0a3a665665b2 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d89049721081909278adfada668ef9 completed April 10, 2026, 5:53 a.m.
NED1 Entity disambiguation (via context triple) batch_69e713f7ca4c81908f29143df420fd71 completed April 21, 2026, 6:06 a.m.
NEDg Description generation batch_69e720f9a8588190aa766d2e1628207a completed April 21, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69e72315dda08190996aa84587c5fc80 completed April 21, 2026, 7:11 a.m.
Created at: April 8, 2026, 9:38 p.m.